Home / 728,196.67-1,092,663.95-485,203.83

Finding the Fourth Proportional to 728,196.67, 1,092,663.95 and 485,203.83

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Solution

The fourth proportional to 728,196.67, 1,092,663.95 and 485,203.83 is: 728,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,196.67 : 1,092,663.95 = 485,203.83 : x
  2. Step 2: Convert to fraction form
    728,196.67/1,092,663.95 = 485,203.83/x
  3. Step 3: Cross multiply
    728,196.67x = 1,092,663.95 × 485,203.83
  4. Step 4: Simplify right side
    728,196.67x = 530,164,733,442.93
  5. Step 5: Solve for x
    x = 530,164,733,442.93/728,196.67
  6. Step 6: Final answer
    x = 728,051.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.